William mobgan



(No Model.)

W. MORGAN.

DRIVE CHAIN.

N0. 355,620. Patented Jan. 4, 1887.

HIIIIEIUH JIIIIIEgIIIIIH INVENTOR UNITED STATES PATENT rtree.

lWILLIAM MORGAN, OF BIRMINGHAM, ENGLAND.

Aomvia-oi-lAlN.-

SPECIFICATION forming part of Letters Patent No. 355,620, dated January4, 1887.

Applicationled September 30, 1886. Serial No. 214,951. (No model.)Patented inEngland May 31, 1886, No. 7,234.

.To all whom/ it may concern,.-

Beit known that I, WILLIAM MORGAN, a subject of the Queen oft' GreatBritain, residing at Cannon Street, Birmingham, England,

manufacturer, `have invented a new or Improved Drive-Ghain, (for which Ihave applied for Letters Patent in Great Britain, No. 7,234, dated 31stday of May, 1886,) of which the following is a specification.

My invention relates to that class Ofchain commonlycalled drive-chain,77or chain employed particularly for the driving of velocipedes, althoughthe same may be used for driving purposes generally; and my saidinvention consists in making the intermediate or alternative links whichcarry,and through which the connecting` pivot-bars or axial pins of thesaid links pass, box-like or hollow, for the purpose of holding plumbagoor other lubricant for the lubrication of the bearings of the pivotcross-bars or axial pins passing through them. These alternative orintermediate box-links are made longer in one direction than in theother, so as to form dat charnbered-like connections with the otherlinks,or the said box-links may be madein the form of a roller.

Iwill now. proceed iO describe, with reference to the accompanyingdrawings, the manner in which the same is to be performed.`

Figure l represents in plan, Fig. 2 in horizontal section, and Fig. 3 inlongitudinal vertical section, a chain (provided with alterna tive orintermediate box-links madeiu halves) constructed according to myinvention. Fig.

4 represents in section one of the links separately. Fig. 5 representsin elevation the two halves of the said box-link separated, while Fig. 6represents atransverse section of 4o the same. Fig. 7 represents a frontinside view of one of the half box-links, and Fig. S is an outside viewofthe sanne. Fig. 9 is a cross-section of the chain Aon the dotted linesA B, Fig. 1', and Fig. -10 shows the pivot-bar or axial cross'pin(separately) which forms the connection between theadjacent linksconsti- 'tuting the chain. Fig. 1,1 is a plan .view of a modification inwhich the intermediate links are in the form of cylindrical rollers.Fig. 12 5o is a horizontal section of same. Fig. 13 is an 'theroller-link. Fig. 17 is a side view of an elongated box-link. Fig. 18 isa sectional view of t-he same.

a a are box-links wherein plumbago, solid oil,or othervlubricant isstored before the links are put together for the lubrication of thebearings of the movable parts when the chain is inuse-thatis,thelubricantinclosed within '6c the box-links is suppliedY toboth the bearings of the pivots or axial cross-pins b, which unite theconnecting parallel side links, c, to the said intermediate boxlinks, a,and to the bearingholes a3, wherein the axis b works. These' box-links aare divided longitudinally or in the directionof their length, withtheir open sides presented to each other, sothat on coming together, asshow n at Fig. ,they form a chamber or hollow box with axial or pinholes a3 passing transversely through them. The halves or segments ofthe box-links are marked ai.

The pins or connecting-axes b, upon which the box-links turn, areprovided at their outer ends with necks b2, which pass through suitableholes, c`i,in the connecting side links, @,and are then riveted. Theriveting of the ends aftixes the side links, and makes the'axialcross-pin the joint upon which the box-links 8o turn as a center on thetraveling ot' the chain on kcommunicating motion from a distance.

By constructing chain as described they carry their own means oflubrication-thatis, they carry a store of lubricant material within 8 5the box-links, which is delivered automatic ally to the bearing andwearing surfaces by the movement of the parts. v

Although I have describedvthat the princi pal` obj ect of my inventionis the production 9o of chain-links that will carry their own lubricant,yet l wish it to bc observed that the chain as represented may be usedas a drive-chain without being provided with a store of lubri- Cant.v 95f Fig. 11 represents a modification in which the alternate orintermediate link is made in the forni of a roller. Fig".`12representsapart horizontal section. Fig. 13 is anend elevation; Fig.14, a transverse section; and Figs. IOO

- 15 and 16 represent parts of one of the roller links separately.

end view.` Fig. 14 is a transverse section. Figs. 15 and 16 are detachedviews of parts of a are boxroller links, and a* are side plates orcovering-lids with holes a5, through which the end bars,c,of the links epass in connecting or joining np one link with another, and Within thespace or hollow inclosed by thelids or sides c5 lubricant is stored forsupplying the Wearing and bearing surfaces with the same when the chainis in use.

By connecting the links together, as described, the roller a admits offree rotation on the traveling of the chain.

Fig. 17 represents in side elevation an elongated box-link, like c inFig. 1, but formed in one piece, and providedwith side plates or lidsfor the keeping in of the lubricant placed Within it, as in theroller-link last described and represented at Figs. 11 and 12. Fig. 18represents a part Vertical section of the same, showing the sidecovering-plates and the transverse holes through which the axes ofanadjacent link passes.

' a is a iiattened box-link. c* are the side plates, and a5 are theaxial holes through the saine.

Having th ns described my inV'ention,I claim as new and desire to secureby Letters Patent-- 1. A drivechain having its alternate linksconstructed in the form of hollow boxes adapted to contain lubricatingmaterial, said boxes being each made in sections with their jointsparallel with the sides of the chain and secured in place by transverseconnections, substantially as described.

2. In a drive-chain, the combination, with the links composed of theside pieces, c, and transverse connecting-pins b, of the hollow boxlinks@,adapted to contain lubricating ma terial and made each in sections,substantially as described and shown.

Signed this 10th day of September, 1886.

VILLIAM MORGAN.

Vitncsses:

HENRY SKERRETT, MILEs E. HUGHES,

Both of Birmingham.

